Lazin-Ryder is one of a number of Twitter users who are using homegrown methods to make their tweets self-destruct. He says that having his tweets disappear automatically makes Twitter feel more conversational and casual, and less like a professional pressure-cooker.

“Tweets are passing things,” he said. “I don’t laminate and frame my note-pad doodles, why would I preserve my tweets for all time?”

“I’m in love with all of them,” said Louis Smith, 28, a lanky drummer from Williamsburg. Five minutes later, he had bought a dark blue 1968 Smith Corona Galaxie II for $150. “It’s about permanence, not being able to hit delete,” he explained. “You have to have some conviction in your thoughts. And that’s my whole philosophy of typewriters.”

Whether he knew it or not, Mr. Smith had joined a growing movement. Manual typewriters aren’t going gently into the good night of the digital era. The machines have been attracting fresh converts, many too young to be nostalgic for spooled ribbons, ink-smudged fingers and corrective fluid. And unlike the typists of yore, these folks aren’t clacking away in solitude. […]

That doesn’t make them Luddites. For many younger typewriter users, the old technology rests comfortably beside the new. Matt Cidoni, 16, of East Brunswick, N.J., keeps a picture of his favorite machine, a Royal No. 10, on his iPod Touch so he can show it off to friends. Online, he is a proud member of the “typosphere,” a global community of typewriter geeks. Like many of them, he enjoys “typecasting,” or tapping out typewritten messages, which he scans and posts to his Web site, Adventures in Typewriterdom. One of his favorite typecasting blogs, Strikethru, is run by a Microsoft employee. In Mr. Cidoni’s world view, there’s nothing technologically inconsistent about such things.

There are new asynchronous communication forms that are globalized and offshored, and there is the loss of a canon and a record. There is no single authoritative voice of history. Instead we get wildly empowered cranks, lunatics, and every kind of long-tail intellectual market appearing in network culture. Everything from brilliant insight to scurillous rumor.

This really changes the narrative, and the organized presentations of history in a way that history cannot recover from. This is the source of our gnawing discontent.

It means the end of post-modernism. It means the end of the New World Order, which is about civilizing the entire planet, stopping all the land wars, repressing the terrorism. It means the end of the Washington Consensus of the nineteen nineties. It means the end of the WTO. It means the end of Francis Fukiyama’s ‘End of History’; it ended, and it’s moving in a completely different and unexpected direction.

The idea that history ended, and that the market sorts that out, and that the Pentagon bombs it if that doesn’t work – it’s gone. The situation now is one of growing disorder. A failed state, a potentially failed globe, a collapsed WTO, a collapsed Copenhagen, financial collapses, lifeboat economics, transition to nowhere. Historical narrative, it is simply no longer mapped onto the objective facts of the decade. The maps in our hands don’t match the territory, and that’s why we are upset.